Move DockerfileCommand component into TS

static/js/directives/ui/dockerfile-command/dockerfile-command.component.ts

@@ -0,0 +1,72 @@
+import { Input, Component, Inject } from 'ng-metadata/core';
+import './dockerfile-command.component.css';
+
+/**
+ * A component which displays a Dockerfile command, nicely formatted.
+ */
+@Component({
+  selector: 'dockerfile-command',
+  templateUrl: '/static/js/directives/ui/dockerfile-command/dockerfile-command.component.html',
+})
+export class DockerfileCommandComponent {
+  @Input('<') public command: string;
+
+  private registryHandlers: {[domain: string]: Function};
+
+  constructor (@Inject('Config') Config: any, @Inject('UtilService') private utilService: any) {
+    var registryHandlers = {
+      'quay.io': function(pieces) {
+        var rnamespace =  pieces[pieces.length - 2];
+        var rname = pieces[pieces.length - 1].split(':')[0];
+        return '/repository/' + rnamespace + '/' + rname + '/';
+      },
+
+      '': function(pieces) {
+        var rnamespace = pieces.length == 1 ? '_' : 'u/' + pieces[0];
+        var rname = pieces[pieces.length - 1].split(':')[0];
+        return 'https://registry.hub.docker.com/' + rnamespace + '/' + rname + '/';
+      }
+    };
+
+    registryHandlers[Config.getDomain()] = registryHandlers['quay.io'];
+    this.registryHandlers = registryHandlers;
+  }
+
+  private getCommandKind(command: string): string {
+    if (!command) { return ''; }
+
+    var space = command.indexOf(' ');
+    return command.substring(0, space);
+  }
+
+  private getCommandTitleHtml(command: string): string {
+    if (!command) { return ''; }
+
+    var kindHandlers = {
+      'FROM': (command) => {
+        var pieces = command.split('/');
+        var registry = pieces.length < 3 ? '' : pieces[0];
+        if (!this.registryHandlers[registry]) {
+          return command;
+        }
+
+        return '<i class="fa fa-hdd-o"></i> <a href="' + this.registryHandlers[registry](pieces) + '" target="_blank">' + command + '</a>';
+      }
+    };
+
+    var space = command.indexOf(' ');
+    if (space <= 0) {
+      return this.utilService.textToSafeHtml(command);
+    }
+
+    var kind = this.getCommandKind(command);
+    var sanitized = this.utilService.textToSafeHtml(command.substring(space + 1));
+
+    var handler = kindHandlers[kind || ''];
+    if (handler) {
+      return handler(sanitized);
+    } else {
+      return sanitized;
+    }
+  }
+}